#define _CRT_SECURE_NO_WARNINGS
#include<stdlib.h>
#include<stdio.h>

int main()
{
	char arr[20] = { 0 };
	FILE* file = fopen("3.13.txt", "r");
	if (file == NULL)
	{
		perror("fopen");
	}
	else
	{
		fscanf(file, "%s", arr);
		printf("%s", arr);
		fclose(file);
		file = NULL;
	}
	return 0;
}